kube-flannel.yml not updated for v0.26.3

[stretched]

Expected Behavior

Latest release (i.e. v0.26.3) is installed.

Current Behavior

v0.26.2 is installed.

Possible Solution

Update configs to point to the correct release, similar to previous releases, similar to #2134

Steps to Reproduce (for bugs)

1. kubectl apply -f https://github.com/flannel-io/flannel/releases/latest/download/kube-flannel.yml or kubectl apply -f https://raw.githubusercontent.com/flannel-io/flannel/v0.26.3/Documentation/kube-flannel.yml

[rbrtbnfgl]

Hi with kubectl apply -f https://github.com/flannel-io/flannel/releases/latest/download/kube-flannel.yml you should get the right version. Pointing the one under Documentation will get the wrong version.